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海上钻井平台是海上油气勘探开发不可或缺的重要设施． （1）钻井平台用如甲图所示的滑轮提升重物，电动卷扬机把质量为1t的物体A匀速向上提起，在10s内上升了6m，动滑轮质量为50kg．不计绳子和滑轮...
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有关海洋石油天然气勘探开发的叙述正确的是①石油开采已具有相当规模②局限于浅海地区③建有海上钻井平台④
①②④
①③④
②④⑤
③④⑤
70年代通过海上钻井平台采油量最少的国家是
苏联
委内瑞拉
美国
未知
钻井地质设计是等项工作的基础是降低油气勘探开发成本保护油气层提高投资效益的关键是保证安全钻井取全取准
地质录井
编制钻井工程设计
预测钻井工程费用
地震勘探
关于海洋油气资源的分布与开采说法正确的是
目前发现的海上油田主要分布在大陆坡和海盆上
地质学家和地球物理学家通常利用电磁波的方法寻找海底油气资源
海底油、气勘探开采投资大、难度大、风险大，目前还没有国家正式开采利用
海上钻井平台是实施海底油、气勘探和开采的工作基地，也是海底油气资源开发技术水平的重要标志
下列何者属于国际海上避碰规则定义中的船舶 ①从事海上运输业务的机动船;②划桨船;③从事海上勘探的钻井
①②
①③
②③
①②③
70年代通过海上钻井平台采油量最少的国家是
苏联
委内瑞拉
美国
未知
2017年2月由中集集团建造的进行油气勘探开发的半潜式钻井平台蓝鲸1号如图交付使用它是目前全球最先
由其主管单位监督管理的场所有哪些
军事设施
矿井
核电厂
海上石油钻井平台
我国第一口海上油气井于年投产
1 972
1 982
1 967
1 957
按油田的汉字拼音字头一平台号一并号编排的井号是开发井
陆上油田
海上油田
陆上丛式井
海上钻井平台
实施海底油气勘探和开采的工作基地是什么?
海上钻井平台
海上人工岛
港口腹地
海底隧道
70年代美国海上钻井平台数约占世界总数的比例是
42%
15%
72%
10%
截至2007年最深的海上油气探井井深是多少
阅读以下资料回答下面问题20世纪70年代在世界新发现的大油田中海上油田有31个约占51.7%在新增加
42%
15%
72%
10%
阅读以下资料回答下面问题20世纪70年代在世界新发现的大油田中海上油田有31个约占51.7%在新增加
苏联
委内瑞拉
美国
未知
海难救助的规定适用于
海上已经就位的从事海底矿物资源的勘探,开发
生产的固定式,浮动式平台
在海上或者与海相通的可航水域，对遇险的船舶和其他财产进行的救助
移动式近海钻井装置
关于海底石油天然气的勘探与开采的不正确说法是
寻找海底油气矿藏通常是利用地震波的方法
投资少、难度小、容易开采
海上钻井平台是实施海底油气勘探和开采的工作基地
海上油气一般用船舶或海底管道送至海岸
海上交通安全法规定______的海上拖带必须经船检部门进行拖航检验并 报海事主管机关核准 Ⅰ移动
Ⅰ＋Ⅱ
Ⅰ＋Ⅲ
Ⅱ＋Ⅳ
Ⅰ＋Ⅳ
截至2007年最深的海上油气探井井深是米
5588
8888
3636
6670
70年代美国海上钻井平台数约占世界总数的比例是
42%
15%
72%
10%
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中国将不会放弃搜寻失联飞机MH370.giveup.
某同学在学习完实验室制取氧气的相关知识后进行了如下归纳与整理其中你认为不正确的是
﹣Whichwouldyoulikecoffeeorcola?﹣thanks.I'dlikeacupoftea.A.Either B.Both C.None D.Neither
Nowthereisafamilyproblem.Nearlyeveryparentsaysthatwenevergrowup.Infactweareprobably14or15yearsold.Intheireyeswearealwayslittleonesandoftendowrongthings.ForexamplewhenIneedtostayathomealonetheyalwaysworryaboutmeandmylifewithoutthem. Mostparentsalwaysthinkthattheyhaveofferedthebestthingstheycantomaketheirchildrenliveinacomfortableworld.Theybuytheirchildrenprettyclothescoolshoeseverythingthattheycanfortheirdearchildren.Inreturntheyonlywanttheirchildrentogetgoodresultsintheexams. Butwhystillcan'ttheirchildrenunderstandthem?Doesitmeanthatwestillwantmorematerial物质things?No.Asamatteroffactwhatwewantisatruefamily.Whatdoesatruefamilymean?Ithinkitmeansaplacewherewecanhideourselvesfromthecoldworldoutside.Fromherewecangetwarmthwecangetconsolation安慰andwecangethappiness.Andoneimportantthingisthatweshouldbestrongerandmoreconfident自信的intheoutsideworldbecauseweknowthatwehaveatruefamily. SoIthinkthatparentsshouldsitdowntotalkwiththeirchildrentoletthemknowthattheyhaveatruefamilysothechildrenandtheirparentscouldunderstandoneanothermoreandmore.Thenparentswillnottreattheirchildrenaslittleones. 41.Inourparents'eyeswe. A.wehavegrownup B.weneverdoanythingwrong C.Wearealwayslittleones D.weshouldn'tworrythem 42.Whatdomostparentswanttogetfromtheirchildren? A.Goodresultsintheexams. B.Thebestthings. C.Prettyclothes. D.Coolshoes. 43.Whatdothechildrenreallywant? A.Morematerialthings. B.Atruefamily C.Nothingatall. D.Acomfortableworld. 44.Whatcanwegetfromatruefamily? A.Warmthandconsolation. B.Happinessandstrength. C.Confidenceandunderstanding. D.Alloftheabove.
﹣Toachieveabrightfutureweshouldstudyhardkeephealthy ﹣Iagreewithyou. A.notonlybutalso B.notbut C.neithernor D.eitheror
DearRichard I'mgladyou'recomingtoChina!①Yourmothertellsmeyou'reworriedaboutwhatyoushouldandshouldn'tdoasaguestinChina.HereissomeadviceoneatingcustomsinChina. You'llprobablybeinvitedtoadinner.Therewillbealotofdishesnotjustthreecourses.Youmayfinditdifficulttousechopsticksifyouhaven'ttriedbefore.It'sagoodideatogetsomepracticebeforehand.Whenthefoodisservedyoushouldwaituntilyou'reinvitedtoeat.Theplateswillbeplacedinthemiddleofthetableforeverybodytoshare.Takealittleofeverythingandthenhavesomemoreofthethingsyoulike. Toprepareabigmealtakesalongtimeandeverythinglooksbeautifulsoit'sagoodtopicofconversation.You'dbetterjoinintheconversationandsayhowmuchyoulikeit. Attheendofthemealyouwillusuallybeservedwithfruit. Ihopethisishelpful.Emailmeifyouhaveanyotherquestions. Yours ZhangDawei 任务一:PuttheunderlinedsentencesintoChinese.将画线的句子译成汉语 72.① 73. 74.HowmanycoursesareusualforadinnerintheWest?. 75.IsitagoodideatotalkaboutfoodduringamealinChina?Why? 76..
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﹣WhenaretheyleavingforNewYork? ﹣Theyaregoingtosometimenextweek. A.setoff B.getoff C.falloff D.takeoff
甲同学取a克氯酸钾乙同学取氯酸钾和二氧化锰的混合物按质量比31a克二人同时进行加热．下列图示中能正确反映生成氧气质量Y与加热时间X关系正确的是
王老师的女儿擅长做蛋糕.begoodat.
阅读下面的短文用括号内所给词的适当形式填空必要时可加助动词.请将答案填写在文后相应的横线上. Onceuponatimetherewasatravelerwhohadaabighorseandasmalldonkey.Whilehewastravelingthehorseandthedonkeycarriedallkindsofthingson56theybacksforhim.Thebighorsewasverystrongbuthecarriedas57heavyasthesmalldonkey. At58onethedonkeywasabletokeepupwiththebighorse.Butaftersometimehedonkeybegantofeeltootired59keepupanymore.SothedonkeyaskedthehorseBrotherHorsecouldyoupleasehelpme?IamafraidIcan'tgoon60carrymyload负荷物. Noyoucarryyours.Icarry61my.Itisnotmyproblemthatyouarenotasstrongandbigasmeansweredthehorse62feelveryproudthathewas63strong. Notlongafterthatthedonkeyatlast64falldowntothegroundanddied. Their65ownmovedwhatthedonkeycarriedontothebackofthehorse.Nowthehorsehadtocarrythedoubleloadfortherestofthejourneyandheregretted后悔whathedidtothedonkey.IfIhadhelpedthedonkeyoutat66littlehecouldcarrysomething.thehorsesaidto67he.Butitwastoolate. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67.
有下列物质①冰水混合物②氧气③过氧化氢溶液完全分解后所得液体④洁净的空气⑤五氧化二磷⑥高锰酸钾分解的固体剩余物．用序号填空 1属于混合物的有2含有氧分子的有．
﹣WhynotlistentoBBCnewstoimproveyourlisteningskills? ﹣It'sdifficultIcan'tfollowit. A.such;that B.so;that C.too;to D.so;to
IfyoudoyourbestI'msureyou'lldoitwell. A.can B.could C.areableto D.beableto
Librariesgivekidsaquietandsafeplacetoreadandlearn.Forover100yearslibrarieshaveplayedanimportantroleinAmericans'education.Buthowarethesebook﹣filledbuildingschangingwiththetimes?Youmaybesurprisedtofindout. BenjaminFranklinfamouslyfounded创建America'sfirstlendinglibraryin1731.ButthepubliclibrarysystemgotitsbiggestdevelopmentintheAmericanhistoryinthelate1800's.BusinessmanAndrewCarnegiedonatedmillionsofdollarstohelpbuildfreepubliclibrariesacrossthecountry.Between1886and1919Carnegie'sdonationshelpedbuild1679newlibraries. CarnegiebelievedthatlibrariescouldofferthechancestoAmericansyoungandold.Heknewthatthemorelibrariestherewerethemorepeoplewouldhaveopportunitiestoreadandusebooksspeechesandnews. Ifyoucaneasilyfindapubliclibraryinyourcommunity社区you'llgetmorechances.AfteralltheUnitedStateshas9225publiclibraries.Todaylibrarieskeepgrowing.SevententhsofthelibrarieshavefreeInternet.Itprovidesmuchmoreinformationandopportunitiestoaskforjobsonline. Librariesarealsoteachingkidsaboutthefunofreading.ThenewprogramRead!Build!Play!addsreadingintoplaytime.AskidslistentoabookthatisbeingreadaloudtheyuseLegos乐高积木tobuildimages图象fromthestoryhappily.Today'slibrariesarealwayslookingforcreativeprogramstobringpeopleintothelibrary. BenjaminFranklinoncesaidThedoorsofwisdom智慧arenevershut.Aslongasthedoorsofpubliclibrariesareopenwhathesaidismostcertainlycorrect! 48.HowmanypubliclibrarieshavefreeInternetnow? A.2767. B.6458. C.9225. D.1679. 49.Therightorderofthefollowingstatementsis. ①ThepubliclibrarysysteminAmericadevelopedfast. ②Thefirstlendinglibrarywasfounded. ③Librariesprovideinformationandchancestoaskforjobonline. ④Librariestrytobringpeopleintothelibrarybyusingcreativeprograms. A.②①③④ B.②③④① C.③④①② D.①②③④ 50.Thelastparagraphmainlytellsus. A.librarieshaveplayedanimportantroleinAmericans'education B.publiclibrariesintheUSshouldneverclosethedoors C.thewriterdoesn'tagreewithBenjaminFranklin D.librarieshelppeopletoopenthedoorsofwisdom 51.Thebesttitleforthepassageis. A.thelibrariesintheworld B.librariesandopportunities C.librariesteachkidstoreadandlearn D.thedevelopmentoftheAmericanlibraries.
Thisisnotadiet.It'sasimplewaytoloseweight.Andyoudon'tevenhavetogiveupthefoodyouloveorjoinagym.Youjustfollowsomehabitsthatthinpeoplehave.Keepthemandyou'llbecomethin. 1Wake﹣up Whenyouwakeupinthemorningsitupslowlywithoutusingyourhands.Withlegsstraightoutbend弯曲forwarduntilyoufeelsoreinyourback.Itwillburnabout10calories热量单位卡路里. 2Startwithsoup Whenyouhaveamealorderaclearsoupandhaveitbeforehavingthemainfood.Inthiswayyou'llfeelfullersoyou'lleatlesswhenthemainfoodcomes. 3Anappleormoreaday Applesarefulloffiber纤维andwatersoyourstomachwillwantless.Thestudyshowsthatpeoplewhoeatatleastthreeapplesadayloseweight. 4Standupandwalkaround Everytimeyouusethemobilephonestandupandwalkaround.Heavypeoplesitonaverage平均twoandahalfhoursmoreeachdaythanthinpeople.Thisskillisveryimportantasstandingupandwalkingaroundwillburn50ormorecalories. Usetheseskillsandyouwillhaveabigweightloss. 41.Whichofthefollowingmaytheauthordisagree? A.Sittingupslowlywithoutusingyourhandshelpsburncalories. B.Eatingappleseverydayisgoodforpeople'shealth. C.Youhavetojoinagymifyouwanttoloseweight. D.It'sgoodtowalkaroundwhiletalkingonthemobilephone. 42.What'thepurposeofthepassage? A.Togivesomeadviceonhowtoloseweight. B.Toadvisepeopletoeatappleseveryday. C.Totellpeoplehowtoenjoyabetterlife. D.Toadvisepeopletogiveupbadhabits. 43.Inwhichpartofanewspaperwouldyoumostprobablyreadthepassage? A.Shopping. B.Teaching. C.Family. D.Health.
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下列有关氧气的说法正确的是
图1和图2是两个设计证明分子运动的实验．在图2的锥形瓶中的小瓶里装着浓氨水锥形瓶口用一张滤纸盖住滤纸刚刚用酚酞溶液浸过． 1图1中观察到的现象是可以得到的结论是． 2在图1中的大烧杯外放一杯酚酞溶液的目的是． 3利用图2与1相比较它的优点是．答一点即可
Becareful!Somepeoplemayusethetruthtodeceive欺骗.Whensomeonetellsyousomethingthatistruebutmissesimportantinformationthatshouldbeincludedhecancreateafalse不真实的impression. ForexamplesomeonemightsayI'vejustwon100dollarsonthelottery彩票.Itwasgreat.Itookthatticketbacktothestoreandtheygaveme100dollars! Thismanwasawinnerwasn'the?Maybemaybenot.Wethendiscoverthathepaid200dollarsfor200ticketsandonlyoneticketwon.He'sreallyabigloser. Hedidn'tsayanythingthatwasfalsebuthedidn'tgivetheotherimportantinformation.That'scalledahalf﹣truth.Half﹣truthsarenotliesbutinfacttheyaredishonest. Advertisementssometimesusehalf﹣truths.It'sagainstthelawtolieinadvertisementssotheytrytodeceivewiththetruth.AnadvertisementmightsayNine﹣tenthsofstudentssaidthatanewkindofdevice仪器isgoodforthemtorememberwords.Itdoesn'ttellyouthattheyonlyaskedtenstudentsandnineofthemusethiskindofdevice. Thiskindofthinghappenstoooften.It'sasadfactoflife:Liesareliesandsometimesthetruthcanlieaswell. 52.Whenpeopletellpartofthetruth. A.theyarereallylying B.theyarelotterylosers C.theymaynotbehonest D.theymaywantyoutobuysomething 53.WhichofthefollowingisTRUE? A.Thetruthcanbeusedbydishonestpeople. B.Allliesarehiddeninthetruth. C.Nine﹣tenthsofdoctorsworkforFancyCompany. D.Advertisementsarefulloflies. 54.Thewriterwritesthispassagetotellusto A.Thinkcarefullywhentheyreadorhearsomething. B.Spendnomoneyonlotterytickets. C.Nevertrustanyonenomatterwhattheysay. D.Alwaystellthetruth. 55.Whichisthebesttitleforthepassage? A.TelltheTruth B.EverybodyLies C.LieWiththeTruth D.LiesAreLies.
OurteacheroftenmakesusEnglishwords. A.payattentiontopronounce B.topayattentiontopronounce C.payattentiontopronouncing D.topayattentiontopronouncing
Ayoungwomaninhertwentieswassittingonthetrainnexttohermother.Theybothlookedtiredbut56exciting. Theyoungwoman57lookoutfromthetrain'swindow.SuddenlysheshoutedMomlookthetreesarebehindus!Hervoicewassoloudthateveryoneonthetrain58hear. Momsmiled.Butayoungcouplewhoweresittingnearbylookedattheyoung59womanchildish孩子气的behaviorwithpity.PoorgirlThere60besomethingwrongwithhermind.theythought. Afewminuteslatertheyoungwomanshoutedagain.Momlook!Theclouds61runwithus!Momsmiledagain.Andsheseemedveryhappywithherdaughter'swordsthatshesaidjustnow. 62finalthecouplecouldn'thelp63asktheoldwomanSorryifweoffend冒犯you.Butwhydon'tyoutakeyourdaughtertoagooddoctor? TheoldwomansmiledandsaidActuallywehavejustcomefromahospital. Thenyoushouldgotoa64goodone.Becauseitseemsthatyourdaughter'ssituation状况hasn'timproved.saidoneof65they.Theyfeltsobadfortheoldwoman. NoinfactI'mveryhappywiththetreatment治疗saidthemotherMydaughterwasblindfrombirth.Todaysheisseeingtheworldforthe66onetime. Everysinglepersonhasastory.Don'tjudge判断peoplebeforeyouknowthemwell.The67truemightsurpriseyou. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67.
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请你根据所学知识并结合如图所示装置回答有关问题 1指出标号仪器的名称①． 2用氯酸钾制取氧气的表达式为应选择的发生装置是可以用E装置收集氧气的原因是集满氧气的集气瓶应填“正”或“倒”放在桌面上． 3实验室常用块状大理石与稀盐酸在常温下制取并收集一定量的二氧化碳应选择的发生装置是若用如图收集二氧化碳时气体应从a管口进入则你认为二氧化碳密度比空气．填“大”或“小”或“相等” 4用收集到的氧气和二氧化碳分别完成如图GH所示实验G中集气瓶底部盛有少量水的原因是． 5实验室用过氧化氢溶液和二氧化锰制氧气的表达式为． 某化学小组同学用20%的过氧化氢溶液和二氧化锰并选用B装置来制氧气．实验中同学们发现不能得到平稳的氧气流．大家提出从两个方面改进 一是把发生装置由B中①改成分液漏斗其理由是 二是将过氧化氢溶液加水稀释．溶液的稀释后产生氧气的量将．填“增加”或“减少”或“不变”
﹣Didyougotothecinemalastnight? ﹣Ohno.Igotothecinema.Theticketsyouknowaretooexpensive. A.always B.hardly C.usually D.often
下列事实与对应的解释相符的是
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